Question

camel can compute his school project in x hours. what part of the job can be completed by camel after 3 hours?

Answer 1

Given:

The time taken by the camel to complete the work= x hours.

Let 1 be the total work(W).

So, the work done per hour by the camel(Efficiency) is,

$\begin{gathered} Efficiency(E)=\frac{\text{ Total work(W)}}{\text{Time}} \\ E=\frac{W}{x} \\ E=\frac{1}{x} \end{gathered}$

So, the efficiency of camel is 1/x.

Efficiency is a constant.

Since Work =Efficiency x Time taken, the work done by camel in t=3 hours is,

$\begin{gathered} w=E\times t \\ =\frac{1}{x}\times3 \\ =\frac{3}{x} \end{gathered}$

We have to find what part of the of the job can be completed by camel after 3 hours.

Since total work is W=1, the part of the job can be completed by camel after 3 hours is,

$\frac{w}{W}=\frac{\frac{3}{x}}{1}=\frac{3}{x}$

Hence, 3/x part of the job can be completed by camel after 3 hours.